Ore-concentrator.



E. DEISTER. ORE GONOENTRATOR. APPLmATIoN FILED AUG. l9, 1909.'

Patented Mal. 12, 1 912.

WITNESSES:

ATTORNEY E. DEISTER. ORE CONGENTRATOR'. APPLIUATION FILED AUG. 9, 1909.

Patnted Mar. 12, 1912.

2 SHEETS-SHEET 2.

WHA/558,58

UNITED sTATEs PATENT oEEioE.

EMIL DEISTER, OF FORT WAYNE, INDIANA, ASSIGNOR T0 THE DEISTER CONCEN- TRATOR COMPANY, A CORPORATION OF INDIANA.

ORE-CONCENTRATOR.

Specification of Letters Patent.

Patented Mar. 12, 1912.

l pplication led August 9, 1909. Serial No. 511,863.

Tf." el?. whom 'it may concern.' lsu it known that l, EMIL DEisTEIc, a citizen of the United 'States of America, and

resident ot' Fort lYayne, in the county of' the lighter ot the: solids will become retarded in their progression toward the mineral discharge edge 'of the table.

Another Objectis to form the table so that the cressingY water after flowing across the dressingv area onto the region adjacent thereto will become effective thereon in washing haelt the 4superstratuin'of light solids and thereby prevent the same from reaching the dressing area.

These .objects arej accomplished by the construction illustrated in the accompanying drawings in which:

Figure l, is a plan view of the table, the dressing-water supply box being partly cut away; 2, is a longitudinal section on the line V-V of Fig. l; Fig. 3, is a transverse section oiithe line W, of Fig. l; Fig.

.4, is a plan view of the table'with the cover and superimposed riiles removed; Fig. 5, is a longitudinal section of Fig. 4, on the line .VLT thereof; md Fig. z ,-is a transverse section "of Fig. 4, on the line 'lV-W -thereotl Similar numerals and letters of reference Aindicate corresponding parts throughout the several views, and referring lnow tothe same:- ,L is a Concentrator table or. rhom hoidal form and' having abreast-hoard l along its rear end and a headboard 2 at its feed side` each .o'l which proyects above the ffencral surface ofv the table, Along the irontor mineral discharge end and at the tailings discharge Side oi" -the table are aprons 3 'and 4: respectively'over .which the,

` issues from the table' are finally discharged.

Primarily the table is constructed so as to 'present threesections respectively B, C, and

D. which extend from the head-hoard to the tailings side and parallel with one another, and all have the same declivity in the direc tion in which t-hey are parallel, the tailings side of the table being lower than the feed side when the table is in. use. In other directions the sections diii'er in slant: For instance: Along lines parallel with the line V*V the section B slants downward from the hreasbboard toward its juncture with the section C; section C has an upward slant toward its juncture with the sect-ion D; and section D is approximately level. It will therefore be apparent that along lines at right angles to the line V-V the section C has a greater'declivity toward the. tailings side of the table than has the section D. Upon the table thus composed of sections is arranged and secured in Aplace a series of plates 5 each of which extends from the rear end of the'tabl-e, across the sections B and C and terminates at the inner edge of section D. The 'top or crest of each plate is ap proximately horizontal and lies in the same plane as the section B, or.'nearly so, and these crests 6 present slightly flattened surfaces which are fiush with the section D at their junctures therewith respectively. In transverse section each plate slopes from its crest downwardly upon each side thereof to a feather edge. as shown at 7 and 8. Thus the plates present slopes 5 and 5 and form ridges crossing sections B and C; and they will he referred to by that name iii the claims. Over the structure thus described is secured a'. sheet covering of rubber or .linoleuin '-9 which is pressed -down into conformity with the various surfaces presented by the plates 5 andv sections B, C, and D, and

this cover being substantially otunifo'rm thickness presents a corresponding general surface or deck. 'l

Superimposed upon the .deck is a seriesof long riffles 10, each of which extends along Athe crest of a corresponding plate and consuit-ably dist-ant from thenext succeeding' extension and leaving an unobstructed pas'- sageway 12 for the dischargejof minera-1.

soy

less surface that corresponds with the slope. 5 4and the space 15 on the sections B and C `thatprecedes the slope, each group ybeing thus laced with. respect to the corresponding p ateV 5. The riles of each group are approximately ofeven thickness, or they may be sli htly tapered as desired, and conform throughout their lengths with the sur face of the deck,.and each of said short riflles terminates on the section' C at a point suitably distant from the section D.4

A-feed-box 16 having feed openings 17 therein -is secured along the head-board 2 for supplying pulp to the table, and .a drivin mechanism -18 is arranged in connection wit the table to reciprocate the same in the direction indicated by the arrow. A dressing water supply box 1 9 is arranged :near the forward end o f the'table and a number of spouts. 2O having Vperforations 21 'therein lead from the box, each spout being formed with an angle to conform with the 'angle of the extension 11 adjacent thereto, and is suported slightly above the surface of the ta- Ele at the 'side of the corresponding rifiie extensionV nearest the tailings discharge side of the table. Another series 'of' spouts 22 extend from the supply box and are adapted ,to discharge waterupon the forward part'- of the section D ad] acent-the end of the feedbox, and a cleat 23` is secured along the edge of the table from the head-board to a point suitably' distant. from the adjacent citension 11.

In the operation of this invention, the

shown) and adjusted in position with proper lateral inclination to cause pulp that passes from the feed-box onto the table to ow across to the tailings side thereof. Motion s Vapplied to thetable and pulp is supplied to the feed-box in the usual manner, and dresslngwater is discharged from the several spouts 1n suitable quantity along thejfo'rwardedge of the section D. Asthe pulp flows across the table each group of short riles becomes-submerged by the water that is held by the corresponding long riiea'nd' sloping surfacethat precedes it,but those surfacesof the table that slopedoiivnwardly "even .11.11 .11901.11 @91811 toward theI tailings side from the res ective correspondm Ilong'.iies willnot ecome .likewise flo ed, vdueto the lateral slantof as the' pulp" the table, and consequently passes over each long rige itflows in a thm .1 sloping sur:

' tially at right angles -to the r'iflies, due to the velocity somewhat. The greater. slant of the section C causes the dressingwater to ,iow more directly toward the section` B,

lwith face of the table and in this manner the solids contained in the pulp are brought into close contact with the moving surface of the table. The movement of the table is of course differential and of a character that tends to progress solids resting upon its surface forwardly inthe direction indicated by the arrow in Fig. 1. The downward slant of the section B toward the section C 'aids in the progression of solids thereon to- 'Ward the latter section, and the 'riles together with the slopes that respectively pre- 'cede the long riies afford cleavage for the 4lilghter of the'solids move in a general course a ong the section 'C from the feed side of the tauleA to the tailings side thereof, while the heavy particles that are held by the rifiies and progressed forwardly bythe motion are moved across thesection D, and nally discharged through the passage# ways-12.

The dressing water that s applied along the outer margin of the sectlon D flows Vao across that section in a direction substanlateral inclination of thetable,and in passing cleanses the mineral that lies in transit upon the surfaces between the long riiiles and washes back the superstratum of light .Waste on the adjoining-section, The comparatively greater downward slant 'of the section C in a direction at right angles ,Ito

the rifiies toward the tailings'sid'e causes the water-that flows onto it from fthe section D 4table 1s mounted upon suitable supports (not y to alter its angle of low and increase'its reater velocity and in a thinner fil-m than' uring its flow across theV section This isvery desirable asthe quantityv of 1 .transient gan e 'on tire section C is .1n-uch greater than t e waste that passes onto'the sectlon' D with the minral, and a 'correspondingly greater forcel isrequirjed to dis# place it.. It i's `also desirable to maintain upon thesection D Va considerable ,depth of dre'ssingqwater .anda gentle flow as this;

,tends "t0 prevent-.the'fgmation of mouse and washing away-ofneparticles o flnin-f era1.' The cleat'g23 and'the"xtensionsl 1`. pI-BYent'theprema-ture 'discharge-0 1l w. water rom1ithe-"forwardf'edge *ci the .table and tend to bank they wen-upon .the leurfra'of the section-D so wwwmain ico noises/ispouts 20 onto the surface of the table, it

is prevented from interfering with mineral moving along the opposite side of the corresponding riiie because oit' the extensions ll, which in each inst-ance is of siiilicient height as Will prevent the ivater from passing over the top thereof.

'Having described my invention, what I claim as new and desire to secure by Letters Patent, is:

l. In an ore concentrating table having transverse reciprocating movement the conibination o three sections extendingin parallel relation troin the feed side to the tailings discharge side diagonally to tthe direction of reciprocation, and sloping toward the tailings, discharge side, the iirst and second of said sections, counting from the end of the table opposite to the concentrates discharge, sloping also toward each other so as to form a trough by the junction between them, and

' the third ot said sections, being the section adjacent to the concentrates discharge end, approximately level in the direction of reciprocatioi'i when in operating position.

2. In an ore, concentrating table havingl a vtransverse reciprocating movement thev combination of three sections extending in parallel relation from the feed side to the tailings discharge side diagonally to the direction of reciprocation and sloping toward the tailings discharge side, the first and second of said sections, counting from the end of the table opposite the concentrates discharge end, also sloping toward each other so as to i'orni a trough by their junction extending from the feed side to the tailings discharge side, and the third section being approximately level in the direction of reciprocation when in operating position, and a series of ridges having slopingisides and extending from the end of the table opposite the concentrates discharge end across said first and second sections at suitable distances apart to the inner edge ofthe third section.

In an ore concentrating table having' a reciprocating movementI the combination of three sections extending in parallel relation from the feed side tothe tailings discharge side diagonally to the direct-ion of reciprocation and sloping alike toward the tailings kdischarge side, the lirst and second of said sections, counting from the end of the table opposite the concentrates discl'iarge end, also sloping toward each other so as to :torni a trough by their junction extending from the feed side to the tailings discharge side, and the third of said sections being approxi mately level -in the direction of reciproca.- tion whenv in operating position, and a series of ridges having sloping sides and extending from the end of the table opposite the concentrates discharge end across said tlrst and secondsectioiis at suitable distances apart to the inner edge of the third of said three sec tions, being the section adjacent to the concentrates discharge, and a series ot ri'tiies iilre number With said series oi ridges, one

rittie being located on the crest of each ridge and extending from the rear end to the for- Ward end of the table 4. In an ore concentrating table having a reciprocating movement and having a breast board bordering the end of thetable opposite the concentrates discharge end, the combination of three sections extending. in parallel relationifrom the feed side to the tailings discharge side diagonally to the direction of reciprocation and sloping alike toward the tailings discharge side, the first and second of .sa-id sections, counting from the end of the table' opposite the coneeiit rates discharge end,also sloping toward each other so as to foi-1n a trough by their junction extending from the feed side to the tailings discharge side, and the third of said sections being approximately level in the direction of reciprccation when in operating position, and a series of ridges having sloping sides and extending from the breastboard across said first and second sections at suitable intervals to the inner edgev of the third of said three sections', and a series of riiiles'ot iike number With said series ot' ridges, one ritlie being placed on the crest of each ridge and extending across said third section to the concentrates end ot the table, and having a raised portion extending a suitabledistance from the breastboard to prevent too great' fioiv of Water along that part o t' the table.

Ain the direction of reciprocation when in 'operating position, and a series of ridges having sloping sides and extending from the end of the table opposite the concentrates discharge end across said irst and second sections at suitable distances apart to the inner edge of the third of saidthree sections, and a series of rittles of like number with said series of ridges placed on the crests of said. ridges-one on each, exten/ding yacross said third section to the ter edge thereof and thence along the outer izo a5 adjacent to,the edge of the table and for a suitable distance back froin said edge of suitably raised heightito prevent overwash ofthe material being treated.

g `G. In an ore concentrating table having a` l() 'reciprocating `inovlnnent and having a hreastlioard ybordering the end of the table opposite' the concentrates discharge end; the combination of three sections extending 1n parallel relation from the feed side to the' 15, tailings discharge side of the table diagonally to the line of reciprocation and sloping toward the tailings discharge side, the first and second of said sections, counting from the end of the table opposite the con- .3 centrates discharge end, sloping also toward each other so as to forni a trough by theA junction between thein, and the third. of said sections, being'the section adjacent to the concentrates discharge, i approximately 25 level in the direction of reciprocation. when in operating position, and a series of ridges having sloping sides extending from the breastboard across said first and second sec tions'at suitable distances apart to the inner 'To edge of the said third section, and a series of riiiles located. on .the crests of said rldges-one on each, extending across the table from the rear end tothe front thereof, and groups of shorter riftles located on the slopes of the said ridges facing toward the D feed side of the table, the slopes facing toward the-tailings discharge side being free 'from riiiies, said shorter iiftles beginning at the hreasthoard and teri'ninating on. the second or middle section aforesaid at suitable distance from the outer edge thereof.

T. In an ore concentrating table having a reciprocating movement the combination of a trough extending from the feed side to and sloping toward the tailings discharge side with a' sectionhaving a plane surface coterininous with the forward edge of said trough and adjacent to the-concentrates dis charge and approximately level in the din rection of reciprocation in the operating position 'of the table, and ridges having sloping sides extending from the end of the table opposite the concentrates discharge end across the trough to the inner edge of the plane section and having ritiies upon' their slopes whichfface toward the feed side, but no rifies on the slopes facing toward the tailings discharge side. In testimony whereof I afiix my signature,in presence of two witnesses. EMIL DEISTER.

Witnesses.: v l

WM. H. BEUSMAN, WALTER G. BURNS. I

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents,

Washington, D. C. 

